018
FZUS51 KBOX 031103
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT SUN MAY 3 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-040000-
703 AM EDT SUN MAY 3 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
UNSETTLED OVER THE WATERS TONIGHT AS A COASTAL LOW PRES TRACKS JUST
SW OF THE 40N/70W BENCHMARK TONIGHT INTO SUN. HIGH PRES RETURNS OVER
THE WATERS EARLY NEXT WEEK. WEATHER TRENDS BACK TO UNSETTLED LATE
WEEK WITH A LOW PRES AND COLD FRONT MOVING THROUGH BRINGING SHOWERS
AND THUNDERSTORMS.
ANZ250-040000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH MONDAY EVENING...
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NW 3 FT AT 6 SECONDS.
PATCHY FOG THIS MORNING. A CHANCE OF SHOWERS THIS MORNING WITH
VSBY 1 TO 3 NM.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND NW 3 FT AT 5 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND SW 4 FT AT 4 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS.
TUE
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 4 FT AT
8 SECONDS.
WED AND WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. SHOWERS LIKELY.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-040000-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND NW 2 FT AT 3 SECONDS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 3 FT AT 3 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED THROUGH THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E
2 FT AT 7 SECONDS. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-040000-
CAPE COD BAY-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG THIS MORNING. A CHANCE OF SHOWERS THIS
MORNING.
TONIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND NE 2 FT AT 6 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND NE 1 FOOT AT 6 SECONDS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. SHOWERS.
THU
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-040000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH MONDAY EVENING...
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 6 FT THIS AFTERNOON. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND SW 3 FT AT 5 SECONDS, BECOMING E 4 FT AT
9 SECONDS AND NW 3 FT AT 4 SECONDS. PATCHY FOG THIS MORNING.
SHOWERS THIS MORNING WITH VSBY 1 TO 3 NM.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND NW 3 FT AT 5 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND E 5 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 2 FT AT
8 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 3 FT AT
10 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-040000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH MONDAY EVENING...
TODAY
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND SE 4 FT AT 9 SECONDS. PATCHY FOG THIS
MORNING. A CHANCE OF SHOWERS THIS MORNING WITH VSBY 1 TO 3 NM.
TONIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE
5 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND SE 2 FT AT
14 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
THU
S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-040000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH MONDAY EVENING...
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
A SLIGHT CHANCE OF SHOWERS THIS MORNING.
TONIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE
4 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND SE 7 FT AT
8 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND S 8 FT AT 9 SECONDS. A
CHANCE OF SHOWERS.
WED NIGHT AND THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
7 TO 10 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-040000-
NANTUCKET SOUND-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT
9 SECONDS. PATCHY FOG THIS MORNING. SHOWERS LIKELY THIS MORNING.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 4 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT AND THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
BECOMING S 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 4 FT.
SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-040000-
VINEYARD SOUND-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
MON
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E 1 FOOT AT
8 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 6 FT AT 8 SECONDS AND E 3 FT AT 8 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-040000-
BUZZARDS BAY-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
MON
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND S 1 FOOT AT 8 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S 2 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT AND THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-040000-
RHODE ISLAND SOUND-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
A SLIGHT CHANCE OF SHOWERS THIS MORNING.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 3 FT AT
8 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND SE 7 FT AT
8 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. SHOWERS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 8 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-040000-
BLOCK ISLAND SOUND-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 3 FT AT
9 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS, BECOMING SW 5 FT AT
7 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 5 FT AT
8 SECONDS.
WED AND WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. SHOWERS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-040000-
BOSTON HARBOR-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS AFTERNOON.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. WAVES AROUND 2 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-040000-
NARRAGANSETT BAY-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. WAVES 2 TO 3 FT.
TUE
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 4 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
3 TO 5 FT.
WED THROUGH THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. WAVES 2 TO 4 FT. SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-040000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 AM EDT SUN MAY 3 2026
TODAY
N WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS. PATCHY FOG. SHOWERS,
MAINLY THIS MORNING WITH VSBY 1 TO 3 NM.
TONIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND NW 4 FT AT 5 SECONDS.
MON
SW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT, INCREASING TO
30 KT IN THE AFTERNOON. SEAS 5 TO 6 FT. WAVE DETAIL: SW 5 FT AT
5 SECONDS AND E 5 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL:
SW 6 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND SE 5 FT AT
10 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND SE 2 FT AT 12 SECONDS.
A CHANCE OF SHOWERS.
WED NIGHT AND THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. SHOWERS.
THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-040000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND NW 4 FT AT 5 SECONDS.
SHOWERS, MAINLY THIS MORNING. PATCHY FOG THIS MORNING WITH VSBY
1 TO 3 NM.
TONIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 6 TO
7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND W 4 FT AT 6 SECONDS.
MON
SW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE AFTERNOON.
SEAS 5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 5 FT AT
9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 2 FT AT
10 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. SHOWERS LIKELY.
THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
8 TO 11 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-040000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
8 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND W 5 FT AT 6 SECONDS.
PATCHY FOG THIS MORNING. SHOWERS LIKELY THIS MORNING WITH VSBY
1 TO 3 NM.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 7 TO
8 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: W 6 FT
AT 7 SECONDS AND E 6 FT AT 9 SECONDS, BECOMING W 5 FT AT
7 SECONDS AND E 5 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT AND THU
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
9 TO 13 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-040000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 AM EDT SUN MAY 3 2026
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS.
A CHANCE OF SHOWERS THIS MORNING.
TONIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 5 FT
AT 6 SECONDS AND SE 4 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND SE 6 FT AT
10 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
8 FT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND E 5 FT AT 11 SECONDS.
A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT. SHOWERS LIKELY.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. SHOWERS LIKELY.
THU NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
9 TO 13 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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